213342173 has 8 divisors (see below), whose sum is σ = 232842720. Its totient is φ = 193859280.

The previous prime is 213342161. The next prime is 213342187. The reversal of 213342173 is 371243312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213342173 - 2⁶ = 213342109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213342113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44111 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (29105340).

Almost surely, 2^213342173 is an apocalyptic number.

It is an amenable number.

213342173 is a deficient number, since it is larger than the sum of its proper divisors (19500547).

213342173 is a wasteful number, since it uses less digits than its factorization.

213342173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827.

The product of its digits is 3024, while the sum is 26.

The square root of 213342173 is about 14606.2374689719. The cubic root of 213342173 is about 597.5288857028.

Adding to 213342173 its reverse (371243312), we get a palindrome (584585485).

The spelling of 213342173 in words is "two hundred thirteen million, three hundred forty-two thousand, one hundred seventy-three".